economy. if the economy remains strong, more demand less supply fairs will go up. but, american and u.s. airs have been reported by the justice department to give up seven teen pair of slots at la guardia airport in new york. those slots will be divided up right now between southwest and virgin america. the national airport, the justice department wants to see those slots go to low fairs too. >> or is it simply because there are fewer airline that can say more for fees and that's that. >> they are as much of the aaron industry as wings are to an airplane. they are here, they are not going to go away, what we will see is a change in how airline sell them. american has offered different bundles. and obviously, if you are a more loyal customer, if you pay a business type of fair, or if you carry certain credit cards you may get exempted from those fees. >> henry heart of the industry, henry thank you for coming on, we appreciate it. >> sure. >> it took a merger to save american airlines, it took